PHP upload file without refresh implementation code_PHP tutorial

index.html

Copy code The code is as follows:

< ;title>Upload files without refreshing




< ;div style="text-align:center">

upload.php

Copy code The code is as follows:

sleep(2);
$fileTypes = array('jpg','png','gif','bmp');
$result = null;
$uploadDir = './upfiles';
$maxSize = 1 * pow(2,20);
if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST[' sub'])) {
$myfile = $_FILES['myfile'];
$myfileType = substr($myfile['name'], strrpos($myfile['name'], ".") + 1);
if ($myfile['size'] > $maxSize) {
$result = 1;
} else if (!in_array($myfileType, $fileTypes)) {
$result = 2;
} elseif (is_uploaded_file($myfile['tmp_name'])) {
$toFile = $uploadDir . '/' . $myfile['name'];
if ( @move_uploaded_file($myfile['tmp_name'], $toFile)) {
$result = 0;
} else {
$result = -1;
}
} else {
$result = 1;
}
}
?>

http://www.bkjia.com/PHPjc/324218.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/324218.htmlTechArticleindex.html Copy the code as follows: html head title upload file without refreshing/title meta Content-type="text /html" charset="utf-8" / script type="text/javascript" function startUpload()...